<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>history对象</title>
</head>
<body>
    <script type="text/javascript">
        // console.log(history);
        var count = 0;
        setTimeout(function(){
            count++;
            console.log(count);
            history.go(0); // 刷新
        },2000)
    </script>
</body>
</html>